Statements (11)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
patent
|
| gptkbp:applicationNumber |
US_1357946
|
| gptkbp:assignee |
gptkb:Houghton_Manufacturing_Company
|
| gptkbp:country |
gptkb:United_States
|
| gptkbp:filingDate |
1918-12-30
|
| https://www.w3.org/2000/01/rdf-schema#label |
US 1357946 C1
|
| gptkbp:inventor |
gptkb:William_H._H._Houghton
|
| gptkbp:issuedBy |
1920-10-19
|
| gptkbp:patentType |
utility
|
| gptkbp:status |
active
|
| gptkbp:title |
Method of and apparatus for producing a continuous sheet of material
|